New'content'value'normal'.(Because':before{content:""}'generatesabox,while':before{content:normal}'doesnot.Itiscalled'normal'andnot'none',because'content:normal'willmeanotherthingsforotherkinds of mediatypes.elementsinCSS3.)

Support for allproperties.PagedmediaAuraluser style sheets Severalinternationalizationfeatures,includinglistnumberingstyles,supportforbidirectionaltextisnowrequired(inmostcases),ratherthanjustrecommended.

TheUAisfreetochosethecontainingblock for language-sensitivequotationmarks.Anextendedfontselectionmechanism,includingintelligentmatching,synthesis,anddownloadablefonts.Also,the conceptofsystemfontsrootelement(see10.1),thereforethissentence has been isintroduced,addedasasuggestion:

Notethatreplacedelementshavea'font-size' and a new'line-height'
property, 'font-size-adjust',eveniftheyarenotuseddirectlytodeterminetheheightofthebox.The'font-size'is,however,usedtodefinethe'em'and'ex'units,andthe'line-height' has beenadded.Tables,includingnewaroleinthe'vertical-align'property.

Notethatthereisonlyoneviewportperdocument.I.e.,evenif an extendedselectormechanism,includingchildselectors,adjacentselectors,andattributeselectors.Generatedelementhasascrollingmechanism(see'overflow'),a'fixed'backgrounddoesn'tmovewithit.

Under'background-attachment',
the CSS1specificationwasshortandconcise.Thisspecificationsentence"Eveniftheimage is muchmorevoluminousandmorereadable.Muchfixed[...]backgroundorpaddingarea of the additionalcontentdescribesnewfunctionality,butthedescriptionofCSS1featureselement" has alsobeen extended.Exceptinafewcasesdescribedbelow,correctedto

Evenif the rewrittendescriptionsdonotindicateachangeimageisfixed,itisstillonlyvisiblewhenitis in syntaxnorsemantics.B.3SemanticchangesfromCSS1WhileallCSS1stylesheetsarevalidCSS2stylesheets,thebackground,paddingorborderareaoftheelement.

Thevalueof'text-indent'maybenegative,but there areafewcaseswheremaybeimplementation-specificlimits.

thefollowingclarification:"If the CSS1stylesheetvalueof'text-indent'isnegative,thevalueof'overflow' will haveadifferentmeaningwheninterpretedasaCSS2stylesheet.Mostchangesaredueaffectwhetherthetextisvisible."

If the specification,buttherevalueoftheir'empty-cells'propertyis'hide'these"empty"cells are alsosomeerrorcorrections.transparentthroughthecell,row,rowgroup,column,andcolumngroupbackgrounds,lettingthetablebackgroundshowthrough.

Toremoveambiguityabout the meaningposition of "!important"hasbeenchanged.InCSS1,"!important"backgroundsonrowsandcolumn,thefollowingparagraphwasaddedafterpoint6:

At the writingdirection.InCSS1,severalproperties(e.g.,'padding')hadvaluesreferringtoendof the widthsectionaddedthefollowingparagraph:

Notethatifthetablehas'border-collapse:separate',thebackground of the parentelement.Thiswasanerror;areagivenby the valueshould'border-spacing'propertyis
always refertothe widthbackground of ablock-levelelementandthisspecificationreflectsthisbyintroducingthe term"containingblock".tableelement.See17.6.1

Addedthefollowingparagraphafter the initial valueparagraph of 'display'is'inline'inCSS2,not'block'thissection:

Notethatthissectionoverridestherulesthatapplytocalculatingwidths as described in CSS1.section10.3. In
CSS1,particular,if the 'clear'propertyappliedmarginsofatableareset to allelements.Thiswasanerror,'0' and the propertyonlyapplieswidth to
block-levelelementsinCSS2.InCSS1,':link',':visited''auto',thetablewillnotautomaticallysizetofillitscontainingblock.However,oncethecalculatedvalueof'width'forthetableisfound(usingthealgorithmsgivenbelowor,whenappropriate,someotherUAdependantalgorithm)thentheotherpartsofsection10.3doapply.Thereforeatablecanbecenteredusingleft and ':active'weremutuallyexclusive;right'auto'margins,forinstance.

TheWGmayintroducewaysofautomaticallymakingtablesfittheircontainingblocks in CSS2,':active'canoccurtogetherCSS3.